ubuntu-cve-2026-46728
Vulnerability from osv_ubuntu
Published
2026-05-16 22:16
Modified
2026-05-16 22:16
Summary
Details
Das U-Boot before 2026.04 allows FIT (Flat Image Tree) signature verification bypass because hashed-nodes is omitted from a hash.
Severity
8.2 (High)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "u-boot",
"binary_version": "2016.01+dfsg1-2ubuntu5"
},
{
"binary_name": "u-boot-exynos",
"binary_version": "2016.01+dfsg1-2ubuntu5"
},
{
"binary_name": "u-boot-imx",
"binary_version": "2016.01+dfsg1-2ubuntu5"
},
{
"binary_name": "u-boot-omap",
"binary_version": "2016.01+dfsg1-2ubuntu5"
},
{
"binary_name": "u-boot-rockchip",
"binary_version": "2016.01+dfsg1-2ubuntu5"
},
{
"binary_name": "u-boot-rpi",
"binary_version": "2016.01+dfsg1-2ubuntu5"
},
{
"binary_name": "u-boot-sunxi",
"binary_version": "2016.01+dfsg1-2ubuntu5"
},
{
"binary_name": "u-boot-tegra",
"binary_version": "2016.01+dfsg1-2ubuntu5"
},
{
"binary_name": "u-boot-tools",
"binary_version": "2016.01+dfsg1-2ubuntu5"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "u-boot",
"purl": "pkg:deb/ubuntu/u-boot@2016.01+dfsg1-2ubuntu5?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2015.04+dfsg1-2ubuntu1",
"2015.10+dfsg1-2",
"2015.10+dfsg1-3",
"2015.10+dfsg1-4",
"2016.01+dfsg1-1",
"2016.01+dfsg1-1ubuntu1",
"2016.01+dfsg1-2ubuntu1",
"2016.01+dfsg1-2ubuntu2",
"2016.01+dfsg1-2ubuntu3",
"2016.01+dfsg1-2ubuntu5"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "u-boot",
"binary_version": "2020.10+dfsg-1ubuntu0~18.04.3"
},
{
"binary_name": "u-boot-amlogic",
"binary_version": "2020.10+dfsg-1ubuntu0~18.04.3"
},
{
"binary_name": "u-boot-exynos",
"binary_version": "2020.10+dfsg-1ubuntu0~18.04.3"
},
{
"binary_name": "u-boot-imx",
"binary_version": "2020.10+dfsg-1ubuntu0~18.04.3"
},
{
"binary_name": "u-boot-mvebu",
"binary_version": "2020.10+dfsg-1ubuntu0~18.04.3"
},
{
"binary_name": "u-boot-omap",
"binary_version": "2020.10+dfsg-1ubuntu0~18.04.3"
},
{
"binary_name": "u-boot-qcom",
"binary_version": "2020.10+dfsg-1ubuntu0~18.04.3"
},
{
"binary_name": "u-boot-qemu",
"binary_version": "2020.10+dfsg-1ubuntu0~18.04.3"
},
{
"binary_name": "u-boot-rockchip",
"binary_version": "2020.10+dfsg-1ubuntu0~18.04.3"
},
{
"binary_name": "u-boot-rpi",
"binary_version": "2020.10+dfsg-1ubuntu0~18.04.3"
},
{
"binary_name": "u-boot-sunxi",
"binary_version": "2020.10+dfsg-1ubuntu0~18.04.3"
},
{
"binary_name": "u-boot-tegra",
"binary_version": "2020.10+dfsg-1ubuntu0~18.04.3"
},
{
"binary_name": "u-boot-tools",
"binary_version": "2020.10+dfsg-1ubuntu0~18.04.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "u-boot",
"purl": "pkg:deb/ubuntu/u-boot@2020.10+dfsg-1ubuntu0~18.04.3?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2016.03+dfsg1-6ubuntu2",
"2018.07~rc3+dfsg1-0ubuntu1~18.04.1",
"2018.07~rc3+dfsg1-0ubuntu2~18.04.1",
"2018.07~rc3+dfsg1-0ubuntu3~18.04.1",
"2019.07+dfsg-1ubuntu4~18.04.1",
"2020.10+dfsg-1ubuntu0~18.04.2",
"2020.10+dfsg-1ubuntu0~18.04.3"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "u-boot",
"binary_version": "2021.01+dfsg-3ubuntu0~20.04.6"
},
{
"binary_name": "u-boot-amlogic",
"binary_version": "2021.01+dfsg-3ubuntu0~20.04.6"
},
{
"binary_name": "u-boot-exynos",
"binary_version": "2021.01+dfsg-3ubuntu0~20.04.6"
},
{
"binary_name": "u-boot-imx",
"binary_version": "2021.01+dfsg-3ubuntu0~20.04.6"
},
{
"binary_name": "u-boot-mvebu",
"binary_version": "2021.01+dfsg-3ubuntu0~20.04.6"
},
{
"binary_name": "u-boot-omap",
"binary_version": "2021.01+dfsg-3ubuntu0~20.04.6"
},
{
"binary_name": "u-boot-qcom",
"binary_version": "2021.01+dfsg-3ubuntu0~20.04.6"
},
{
"binary_name": "u-boot-qemu",
"binary_version": "2021.01+dfsg-3ubuntu0~20.04.6"
},
{
"binary_name": "u-boot-rockchip",
"binary_version": "2021.01+dfsg-3ubuntu0~20.04.6"
},
{
"binary_name": "u-boot-rpi",
"binary_version": "2021.01+dfsg-3ubuntu0~20.04.6"
},
{
"binary_name": "u-boot-sifive",
"binary_version": "2021.01+dfsg-3ubuntu0~20.04.6"
},
{
"binary_name": "u-boot-sunxi",
"binary_version": "2021.01+dfsg-3ubuntu0~20.04.6"
},
{
"binary_name": "u-boot-tegra",
"binary_version": "2021.01+dfsg-3ubuntu0~20.04.6"
},
{
"binary_name": "u-boot-tools",
"binary_version": "2021.01+dfsg-3ubuntu0~20.04.6"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "u-boot",
"purl": "pkg:deb/ubuntu/u-boot@2021.01+dfsg-3ubuntu0~20.04.6?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2019.07+dfsg-1ubuntu3",
"2019.07+dfsg-1ubuntu5",
"2019.07+dfsg-1ubuntu6",
"2020.10+dfsg-1ubuntu0~20.04.2",
"2021.01+dfsg-3ubuntu0~20.04.1",
"2021.01+dfsg-3ubuntu0~20.04.3",
"2021.01+dfsg-3ubuntu0~20.04.4",
"2021.01+dfsg-3ubuntu0~20.04.5",
"2021.01+dfsg-3ubuntu0~20.04.6"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "u-boot",
"binary_version": "2022.01+dfsg-2ubuntu2.7"
},
{
"binary_name": "u-boot-amlogic",
"binary_version": "2022.01+dfsg-2ubuntu2.7"
},
{
"binary_name": "u-boot-exynos",
"binary_version": "2022.01+dfsg-2ubuntu2.7"
},
{
"binary_name": "u-boot-imx",
"binary_version": "2022.01+dfsg-2ubuntu2.7"
},
{
"binary_name": "u-boot-microchip",
"binary_version": "2022.01+dfsg-2ubuntu2.7"
},
{
"binary_name": "u-boot-mvebu",
"binary_version": "2022.01+dfsg-2ubuntu2.7"
},
{
"binary_name": "u-boot-omap",
"binary_version": "2022.01+dfsg-2ubuntu2.7"
},
{
"binary_name": "u-boot-qcom",
"binary_version": "2022.01+dfsg-2ubuntu2.7"
},
{
"binary_name": "u-boot-qemu",
"binary_version": "2022.01+dfsg-2ubuntu2.7"
},
{
"binary_name": "u-boot-rockchip",
"binary_version": "2022.01+dfsg-2ubuntu2.7"
},
{
"binary_name": "u-boot-rpi",
"binary_version": "2022.01+dfsg-2ubuntu2.7"
},
{
"binary_name": "u-boot-sifive",
"binary_version": "2022.01+dfsg-2ubuntu2.7"
},
{
"binary_name": "u-boot-sunxi",
"binary_version": "2022.01+dfsg-2ubuntu2.7"
},
{
"binary_name": "u-boot-tegra",
"binary_version": "2022.01+dfsg-2ubuntu2.7"
},
{
"binary_name": "u-boot-tools",
"binary_version": "2022.01+dfsg-2ubuntu2.7"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "u-boot",
"purl": "pkg:deb/ubuntu/u-boot@2022.01+dfsg-2ubuntu2.7?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2021.07+dfsg-0ubuntu8",
"2021.07+dfsg-0ubuntu9",
"2021.07+dfsg-0ubuntu10",
"2022.01+dfsg-2ubuntu1",
"2022.01+dfsg-2ubuntu2",
"2022.01+dfsg-2ubuntu2.1",
"2022.01+dfsg-2ubuntu2.3",
"2022.01+dfsg-2ubuntu2.4",
"2022.01+dfsg-2ubuntu2.5",
"2022.01+dfsg-2ubuntu2.6",
"2022.01+dfsg-2ubuntu2.7"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "u-boot-nezha",
"binary_version": "2022.04+git20220405.7446a472-0ubuntu0.4"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "u-boot-nezha",
"purl": "pkg:deb/ubuntu/u-boot-nezha@2022.04+git20220405.7446a472-0ubuntu0.4?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2021.09+git20211008.62392d3-0ubuntu1",
"2022.04+git20220405.7446a472-0ubuntu0.1",
"2022.04+git20220405.7446a472-0ubuntu0.2",
"2022.04+git20220405.7446a472-0ubuntu0.3",
"2022.04+git20220405.7446a472-0ubuntu0.4"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "u-boot-amlogic",
"binary_version": "2025.10-0ubuntu0.24.04.2"
},
{
"binary_name": "u-boot-amlogic-binaries",
"binary_version": "2025.10-0ubuntu0.24.04.2"
},
{
"binary_name": "u-boot-asahi",
"binary_version": "2025.10-0ubuntu0.24.04.2"
},
{
"binary_name": "u-boot-exynos",
"binary_version": "2025.10-0ubuntu0.24.04.2"
},
{
"binary_name": "u-boot-exynos-binaries",
"binary_version": "2025.10-0ubuntu0.24.04.2"
},
{
"binary_name": "u-boot-imx",
"binary_version": "2025.10-0ubuntu0.24.04.2"
},
{
"binary_name": "u-boot-microchip",
"binary_version": "2025.10-0ubuntu0.24.04.2"
},
{
"binary_name": "u-boot-mvebu",
"binary_version": "2025.10-0ubuntu0.24.04.2"
},
{
"binary_name": "u-boot-omap",
"binary_version": "2025.10-0ubuntu0.24.04.2"
},
{
"binary_name": "u-boot-qcom",
"binary_version": "2025.10-0ubuntu0.24.04.2"
},
{
"binary_name": "u-boot-qemu",
"binary_version": "2025.10-0ubuntu0.24.04.2"
},
{
"binary_name": "u-boot-rockchip",
"binary_version": "2025.10-0ubuntu0.24.04.2"
},
{
"binary_name": "u-boot-rpi",
"binary_version": "2025.10-0ubuntu0.24.04.2"
},
{
"binary_name": "u-boot-sifive",
"binary_version": "2025.10-0ubuntu0.24.04.2"
},
{
"binary_name": "u-boot-sitara-binaries",
"binary_version": "2025.10-0ubuntu0.24.04.2"
},
{
"binary_name": "u-boot-starfive",
"binary_version": "2025.10-0ubuntu0.24.04.2"
},
{
"binary_name": "u-boot-stm32",
"binary_version": "2025.10-0ubuntu0.24.04.2"
},
{
"binary_name": "u-boot-sunxi",
"binary_version": "2025.10-0ubuntu0.24.04.2"
},
{
"binary_name": "u-boot-tegra",
"binary_version": "2025.10-0ubuntu0.24.04.2"
},
{
"binary_name": "u-boot-tools",
"binary_version": "2025.10-0ubuntu0.24.04.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "u-boot",
"purl": "pkg:deb/ubuntu/u-boot@2025.10-0ubuntu0.24.04.2?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2023.07+dfsg-1ubuntu2",
"2024.01+dfsg-1ubuntu1",
"2024.01+dfsg-1ubuntu2",
"2024.01+dfsg-1ubuntu3",
"2024.01+dfsg-1ubuntu4",
"2024.01+dfsg-1ubuntu5",
"2024.01+dfsg-1ubuntu5.1",
"2024.01+dfsg-1ubuntu5.2",
"2025.01-0ubuntu0.24.04.1",
"2025.01-0ubuntu0.24.04.2",
"2025.10-0ubuntu0.24.04.1",
"2025.10-0ubuntu0.24.04.2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "u-boot-nezha",
"binary_version": "2024.01~rc1-190-g2e89b706f5-0ubuntu2"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "u-boot-nezha",
"purl": "pkg:deb/ubuntu/u-boot-nezha@2024.01~rc1-190-g2e89b706f5-0ubuntu2?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2022.10-1089-g528ae9bc6c-0ubuntu2",
"2024.01~rc1-190-g2e89b706f5-0ubuntu1",
"2024.01~rc1-190-g2e89b706f5-0ubuntu2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "u-boot-amlogic",
"binary_version": "2025.10-0ubuntu0.25.10.1"
},
{
"binary_name": "u-boot-amlogic-binaries",
"binary_version": "2025.10-0ubuntu0.25.10.1"
},
{
"binary_name": "u-boot-asahi",
"binary_version": "2025.10-0ubuntu0.25.10.1"
},
{
"binary_name": "u-boot-exynos",
"binary_version": "2025.10-0ubuntu0.25.10.1"
},
{
"binary_name": "u-boot-exynos-binaries",
"binary_version": "2025.10-0ubuntu0.25.10.1"
},
{
"binary_name": "u-boot-imx",
"binary_version": "2025.10-0ubuntu0.25.10.1"
},
{
"binary_name": "u-boot-microchip",
"binary_version": "2025.10-0ubuntu0.25.10.1"
},
{
"binary_name": "u-boot-mvebu",
"binary_version": "2025.10-0ubuntu0.25.10.1"
},
{
"binary_name": "u-boot-omap",
"binary_version": "2025.10-0ubuntu0.25.10.1"
},
{
"binary_name": "u-boot-qcom",
"binary_version": "2025.10-0ubuntu0.25.10.1"
},
{
"binary_name": "u-boot-qemu",
"binary_version": "2025.10-0ubuntu0.25.10.1"
},
{
"binary_name": "u-boot-rockchip",
"binary_version": "2025.10-0ubuntu0.25.10.1"
},
{
"binary_name": "u-boot-rpi",
"binary_version": "2025.10-0ubuntu0.25.10.1"
},
{
"binary_name": "u-boot-sifive",
"binary_version": "2025.10-0ubuntu0.25.10.1"
},
{
"binary_name": "u-boot-sitara-binaries",
"binary_version": "2025.10-0ubuntu0.25.10.1"
},
{
"binary_name": "u-boot-starfive",
"binary_version": "2025.10-0ubuntu0.25.10.1"
},
{
"binary_name": "u-boot-stm32",
"binary_version": "2025.10-0ubuntu0.25.10.1"
},
{
"binary_name": "u-boot-sunxi",
"binary_version": "2025.10-0ubuntu0.25.10.1"
},
{
"binary_name": "u-boot-tegra",
"binary_version": "2025.10-0ubuntu0.25.10.1"
},
{
"binary_name": "u-boot-tools",
"binary_version": "2025.10-0ubuntu0.25.10.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "u-boot",
"purl": "pkg:deb/ubuntu/u-boot@2025.10-0ubuntu0.25.10.1?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2025.01-1~0ubuntu2",
"2025.01-3ubuntu1",
"2025.01-3ubuntu2",
"2025.01-3ubuntu4",
"2025.10-0ubuntu0.25.10.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "u-boot-amlogic",
"binary_version": "2025.10-0ubuntu2"
},
{
"binary_name": "u-boot-amlogic-binaries",
"binary_version": "2025.10-0ubuntu2"
},
{
"binary_name": "u-boot-asahi",
"binary_version": "2025.10-0ubuntu2"
},
{
"binary_name": "u-boot-exynos",
"binary_version": "2025.10-0ubuntu2"
},
{
"binary_name": "u-boot-exynos-binaries",
"binary_version": "2025.10-0ubuntu2"
},
{
"binary_name": "u-boot-imx",
"binary_version": "2025.10-0ubuntu2"
},
{
"binary_name": "u-boot-microchip",
"binary_version": "2025.10-0ubuntu2"
},
{
"binary_name": "u-boot-mvebu",
"binary_version": "2025.10-0ubuntu2"
},
{
"binary_name": "u-boot-omap",
"binary_version": "2025.10-0ubuntu2"
},
{
"binary_name": "u-boot-qcom",
"binary_version": "2025.10-0ubuntu2"
},
{
"binary_name": "u-boot-qemu",
"binary_version": "2025.10-0ubuntu2"
},
{
"binary_name": "u-boot-rockchip",
"binary_version": "2025.10-0ubuntu2"
},
{
"binary_name": "u-boot-rpi",
"binary_version": "2025.10-0ubuntu2"
},
{
"binary_name": "u-boot-sifive",
"binary_version": "2025.10-0ubuntu2"
},
{
"binary_name": "u-boot-sitara-binaries",
"binary_version": "2025.10-0ubuntu2"
},
{
"binary_name": "u-boot-starfive",
"binary_version": "2025.10-0ubuntu2"
},
{
"binary_name": "u-boot-stm32",
"binary_version": "2025.10-0ubuntu2"
},
{
"binary_name": "u-boot-sunxi",
"binary_version": "2025.10-0ubuntu2"
},
{
"binary_name": "u-boot-tegra",
"binary_version": "2025.10-0ubuntu2"
},
{
"binary_name": "u-boot-tools",
"binary_version": "2025.10-0ubuntu2"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "u-boot",
"purl": "pkg:deb/ubuntu/u-boot@2025.10-0ubuntu2?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2025.01-3ubuntu4",
"2025.10-0ubuntu1",
"2025.10-0ubuntu2"
]
}
],
"aliases": [],
"details": "Das U-Boot before 2026.04 allows FIT (Flat Image Tree) signature verification bypass because hashed-nodes is omitted from a hash.",
"id": "UBUNTU-CVE-2026-46728",
"modified": "2026-05-16T22:16:00Z",
"published": "2026-05-16T22:16:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-46728"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-46728"
},
{
"type": "REPORT",
"url": "https://github.com/barebox/barebox/security/advisories/GHSA-3fvj-q26p-j6h4"
},
{
"type": "REPORT",
"url": "https://github.com/u-boot/u-boot/commit/2092322b31cc8b1f8c9e2e238d1043ae0637b241"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2026-46728"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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